CN204851225U - Ground control device of clear water pressing type underground camera - Google Patents
Ground control device of clear water pressing type underground camera Download PDFInfo
- Publication number
- CN204851225U CN204851225U CN201520512625.6U CN201520512625U CN204851225U CN 204851225 U CN204851225 U CN 204851225U CN 201520512625 U CN201520512625 U CN 201520512625U CN 204851225 U CN204851225 U CN 204851225U
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- China
- Prior art keywords
- clear water
- processing module
- signal processing
- pressing type
- booster pump
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000003825 pressing Methods 0.000 title claims abstract description 41
- 238000012545 processing Methods 0.000 claims abstract description 45
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 238000003384 imaging method Methods 0.000 claims description 47
- 238000000034 method Methods 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 230000005693 optoelectronics Effects 0.000 claims description 5
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 abstract 1
- 239000002131 composite material Substances 0.000 description 8
- 230000005622 photoelectricity Effects 0.000 description 7
- 238000007726 management method Methods 0.000 description 5
- 239000013307 optical fiber Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 238000011109 contamination Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Structure And Mechanism Of Cameras (AREA)
Abstract
The utility model provides a formula of suppressing ground control device of appearance of making a video recording in pit is suppressed to clear water, the device includes: the cable joint is used for converting video optical signals transmitted by the clean water pressing type underground camera into video signals through photoelectric conversion; the double-channel cable slip ring is used for transmitting the video signal to the video signal processing module; the video signal processing module is used for processing the video signal; the light control module is used for adjusting the light brightness of the clear water pressing type underground camera according to the processed video signal; the booster pump control module is used for adjusting the discharge capacity of the booster pump according to the processed video signal; and the booster pump is connected with the double-channel cable slip ring and used for supplying clean water to the clean water pressing type underground camera through the double-channel cable slip ring. Adopt the utility model discloses can adjust the clear water and suppress the light luminance of formula camera instrument in the pit, adjust the pump pressure and the discharge capacity of booster pump to obtain clear image in the pit.
Description
Technical field
The utility model relates to petroleum well logging technology field, particularly a kind of ground control unit of clear water pressing type downhole imaging instrument.
Background technology
Downhole imaging instrument is the tester that a kind of using visible light video camera checks oil well, gas well and well, can directly be observed by the situation such as casing damage, casing-broken, trouble of lost tool in hole, perforating quality, effective response for water flood direction of logging well by this instrument.In order to prevent greasy dirt under oil well, gas well and Water Well, impurity to the contamination of cam lens, a kind of clear water pressing type downhole imaging instrument of development and design, utilize booster pump by the capillary tube in photoelectricity capillary tube composite cable (being made up of cable, optical fiber and capillary tube) to downhole imaging instrument injected clear water, thus form clear water liquid film in cam lens front portion, reach soil resistant function.Clear water pressing type downhole imaging instrument belongs to direct-reading type down-hole logger, need the duty from video camera the control well of ground, the lowering velocity of lamplight brightness and downhole imaging instrument, simultaneously according to downhole fluid situation, down-hole pressure and temperature, the clear water flow size being injected into downhole instrument is regulated from ground, ensure that downhole imaging instrument is not by greasy dirt, impurity contamination, obtain borehole image clearly, and current logging truck and GCU are all electrical control, do not have to control the control section of clear water flow and the photoelectric conversion section required for optical-fibre communications.
Utility model content
The utility model embodiment provides a kind of ground control unit of clear water pressing type downhole imaging instrument, solves the technical problem of the photoelectric conversion section required for control section and optical-fibre communications lacking clear water flow in existing GCU.This ground control unit comprises: cable connector 1, binary channel cable slip ring 2, lighting control module 3, video signal processing module 4, booster pump control module 5 and booster pump 6;
Described cable connector 1, for converting the video light signal that clear water pressing type downhole imaging instrument transmits to vision signal by opto-electronic conversion;
Described binary channel cable slip ring 2, is connected with cable connector 1 and video signal processing module 4 respectively, for described vision signal is sent to video signal processing module 4;
Described video signal processing module 4, for the treatment of described vision signal;
Described lighting control module 3, is connected with video signal processing module 4, for regulating according to the lamplight brightness of vision signal to clear water pressing type downhole imaging instrument after process;
Described booster pump control module 5, is connected with video signal processing module 4 and booster pump 6 respectively, for regulating according to the discharge capacity of vision signal to booster pump 6 after process;
Described booster pump 6, is connected with binary channel cable slip ring 2, for supplying clear water by binary channel cable slip ring 2 to clear water pressing type downhole imaging instrument.
In one embodiment, also comprise:
Video storage modules 7, is connected with video signal processing module 4, for the vision signal after stores processor;
Video display module 8, is connected with video signal processing module 4, for the vision signal after Graphics Processing.
In one embodiment, also comprise:
Power management module 9, for powering for ground control unit.
In one embodiment, described power management module 9 is also for powering for clear water pressing type downhole imaging instrument.
In one embodiment, also comprise:
Pressure signal processing module 10, for the treatment of the pressure signal that clear water pressing type downhole imaging instrument transmits;
Described binary channel cable slip ring 2, is connected with pressure signal processing module 10, and the pressure signal also for being transmitted by clear water pressing type downhole imaging instrument is sent to pressure signal processing module 10;
Described booster pump control module 5, is connected with pressure signal processing module 10, for regulating according to the pump pressure of pressure signal to booster pump 6 after process.
In one embodiment, described binary channel cable slip ring 2, also for being separated with clear water injection channel by electric wiring.
In the utility model embodiment, adopt cable connector can convert the video light signal that clear water pressing type downhole imaging instrument transmits to vision signal by opto-electronic conversion, solve the problem that existing GCU lacks the photoelectric conversion section required for optical-fibre communications; According to the vision signal after process, supercharging pump delivery is regulated by booster pump control module, and then control the injection flow of clear water, solve the problem that existing GCU lacks the control section of clear water flow.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a application's part, does not form restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the ground control unit structure chart of a kind of clear water pressing type downhole imaging instrument that the utility model embodiment provides.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with embodiment and accompanying drawing, the utility model is described in further details.At this, exemplary embodiment of the present utility model and illustrating for explaining the utility model, but not as to restriction of the present utility model.
The ground control unit of existing clear water pressing type downhole imaging instrument, generally logging truck and GCU, but logging truck and GCU are all electrical control, there is no the control section that can control clear water flow, and the photoelectric conversion section required for optical-fibre communications.If add clear water flow control section in logging truck and GCU, and viewpoint conversion portion, just can solve problems of the prior art.A kind of ground control unit of clear water pressing type downhole imaging instrument is the utility model proposes based on this.
Fig. 1 is the ground control unit structure chart of a kind of clear water pressing type downhole imaging instrument that the utility model embodiment provides, as shown in Figure 1, this ground control unit comprises: cable connector 1, binary channel cable slip ring 2, lighting control module 3, video signal processing module 4, booster pump control module 5 and booster pump 6;
Described cable connector 1, for converting the video light signal that clear water pressing type downhole imaging instrument transmits to vision signal by opto-electronic conversion;
Described binary channel cable slip ring 2, is connected with cable connector 1 and video signal processing module 4 respectively, for described vision signal is sent to video signal processing module 4;
Described video signal processing module 4, for the treatment of described vision signal;
Described lighting control module 3, is connected with video signal processing module 4, for regulating according to the lamplight brightness of vision signal to clear water pressing type downhole imaging instrument after process;
Described booster pump control module 5, is connected with video signal processing module 4 and booster pump 6 respectively, for regulating according to the discharge capacity of vision signal to booster pump 6 after process;
Described booster pump 6, is connected with binary channel cable slip ring 2, for supplying clear water by binary channel cable slip ring 2 to clear water pressing type downhole imaging instrument.
Except comprising above-mentioned 6 parts, this ground control unit can also comprise:
Video storage modules 7, is connected with video signal processing module 4, for the vision signal after stores processor;
Video display module 8, is connected with video signal processing module 4, for the vision signal after Graphics Processing.
Power management module 9, for powering for ground control unit; Also for powering for clear water pressing type downhole imaging instrument.
Pressure signal processing module 10, for the treatment of the pressure signal that clear water pressing type downhole imaging instrument transmits.
During concrete enforcement, clear water pressing type downhole imaging instrument is connected with ground control unit by photoelectricity capillary tube composite cable.After photographing borehole image (namely obtaining video light signal) under clear water pressing type downhole imaging instrument, by photoelectricity capillary tube composite cable, video light signal is sent to cable connector 1, cable connector 1 by opto-electronic conversion, converts video light signal to vision signal.Convert vision signal to and can support multiple types, such as NTSC, PAL, SECAM, what convert in the utility model is the vision signal of pal mode.
After video light signal being converted to the vision signal of pal mode, by binary channel cable slip ring 2, vision signal is sent to video signal processing module 4, video signal processing module 4 pairs of vision signals process, in the middle of vision signal that depth data is added to, the vision signal processed through video signal processing module 4 can be stored by video storage modules 7, can be shown by video display module 8 simultaneously.In addition, lighting control module 3 can regulate according to the lamplight brightness of vision signal to clear water pressing type downhole imaging instrument after process; Booster pump control module 5 can regulate according to the discharge capacity of vision signal to booster pump 6 after process.
Concrete, the vision signal processed through video signal processing module 4 can be passed through LCDs (i.e. video display module 8) and show, operating personnel observe the video image (vision signal namely after process) of the down-hole shown in LCDs, judge the duty of clear water pressing type downhole imaging instrument, if observe the front end greasy dirt of clear water pressing type downhole imaging instrument, impurity increases, can be regulated by the discharge capacity of booster pump control module 5 pairs of booster pumps 6, namely the clear water flow size being injected into clear water pressing type downhole imaging instrument is regulated, by the front end greasy dirt of clear water by downhole imaging instrument, Impurity removal, make the borehole image that photographs clear, if the definition observing video image is poor, then regulated by the lamplight brightness of lighting control module 3 pairs of clear water pressing type downhole imaging instrument, improve the definition of video image.
During concrete enforcement, clear water pressing type downhole imaging instrument also can measuring well downforce, pressure signal processing module 10 is sent to by photoelectricity capillary tube composite cable, cable connector 1 and binary channel cable slip ring 2, pressure signal processing module 10 pairs of pressure signals process, if the pressure signal after process illustrates that down-hole pressure increases, then regulated by the pump pressure of booster pump control module 5 pairs of booster pumps 6, realize the pressure balance of ground and down-hole.
During concrete enforcement, this ground control unit can be own self-powered, for whole ground control unit is powered, external power supply also can be adopted to power to whole ground control unit.What adopt in the present invention is external power supply, ground control unit itself comprises a power management module 9, external power supply is connected with power management module 9, and a part is powered to ground control unit, and a part supplies downhole imaging instrument by photoelectricity capillary tube composite cable after rectifying and voltage-stabilizing.
During concrete enforcement, binary channel cable slip ring 2 (slip ring, be responsible for the electric component that rotary body is communicated with, carries the energy and signal exactly) except transmitting except vision signal and pressure signal to ground control unit, can also rotating separation electric wiring and fluid course (clear water injection channel), realize being rotatably connected of cable drum glazing electrocapillary composite cable and ground control unit; The effect of blowout prevention (blowout) can also be played simultaneously.
Described above is all well known by persons skilled in the art to the processing method of vision signal and pressure signal, the annexation between each parts of what the utility model was specifically protected is clear water suppresses downhole imaging system ground control unit.
In sum, the clear water that the utility model proposes is suppressed downhole imaging system ground control unit and is transmitted electric power and clear water liquid stream to downhole imaging instrument by photoelectricity capillary tube composite cable, ensure that clear water pressing type downhole imaging instrument normally works, the video light signal sent from photoelectricity capillary tube composite cable and pressure signal are through the process of ground control unit and judgement, carry out video display and store, downhole imaging instrument lamplight brightness is regulated according to actual conditions by ground control unit by operating personnel, the pump pressure of booster pump and discharge capacity, and then reach the object of video camera under control well, obtain borehole image clearly.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model embodiment can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. the ground control unit of a clear water pressing type downhole imaging instrument, it is characterized in that, comprising: cable connector (1), binary channel cable slip ring (2), lighting control module (3), video signal processing module (4), booster pump control module (5) and booster pump (6);
Described cable connector (1), for converting the video light signal that clear water pressing type downhole imaging instrument transmits to vision signal by opto-electronic conversion;
Described binary channel cable slip ring (2), is connected with cable connector (1) and video signal processing module (4) respectively, for described vision signal is sent to video signal processing module (4);
Described video signal processing module (4), for the treatment of described vision signal;
Described lighting control module (3), is connected with video signal processing module (4), for regulating according to the lamplight brightness of vision signal to clear water pressing type downhole imaging instrument after process;
Described booster pump control module (5), is connected with video signal processing module (4) and booster pump (6) respectively, for regulating according to the discharge capacity of vision signal to booster pump (6) after process;
Described booster pump (6), is connected with binary channel cable slip ring (2), for supplying clear water by binary channel cable slip ring (2) to clear water pressing type downhole imaging instrument.
2. ground control unit as claimed in claim 1, is characterized in that, also comprise:
Video storage modules (7), is connected with video signal processing module (4), for the vision signal after stores processor;
Video display module (8), is connected with video signal processing module (4), for the vision signal after Graphics Processing.
3. ground control unit as claimed in claim 1, is characterized in that, also comprise:
Power management module (9), for powering for ground control unit.
4. ground control unit as claimed in claim 3, it is characterized in that, described power management module (9) is also for powering for clear water pressing type downhole imaging instrument.
5. ground control unit as claimed in claim 1, is characterized in that, also comprise:
Pressure signal processing module (10), for the treatment of the pressure signal that clear water pressing type downhole imaging instrument transmits;
Described binary channel cable slip ring (2), is connected with pressure signal processing module (10), is sent to pressure signal processing module (10) for the pressure signal transmitted by clear water pressing type downhole imaging instrument;
Described booster pump control module (5), is connected with pressure signal processing module (10), for regulating according to the pump pressure of pressure signal to booster pump (6) after process.
6. ground control unit as claimed in claim 1, it is characterized in that, described binary channel cable slip ring (2), also for being separated with clear water injection channel by electric wiring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520512625.6U CN204851225U (en) | 2015-07-15 | 2015-07-15 | Ground control device of clear water pressing type underground camera |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520512625.6U CN204851225U (en) | 2015-07-15 | 2015-07-15 | Ground control device of clear water pressing type underground camera |
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| Publication Number | Publication Date |
|---|---|
| CN204851225U true CN204851225U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520512625.6U Expired - Fee Related CN204851225U (en) | 2015-07-15 | 2015-07-15 | Ground control device of clear water pressing type underground camera |
Country Status (1)
| Country | Link |
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| CN (1) | CN204851225U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109995433A (en) * | 2019-03-08 | 2019-07-09 | 北京航空航天大学 | A kind of fibre optic data transmission device for oil well logging equipment |
-
2015
- 2015-07-15 CN CN201520512625.6U patent/CN204851225U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109995433A (en) * | 2019-03-08 | 2019-07-09 | 北京航空航天大学 | A kind of fibre optic data transmission device for oil well logging equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 |